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WO2007033835B1 - Method and apparatus for creating an air-conditioned atmosphere - Google Patents

Method and apparatus for creating an air-conditioned atmosphere

Info

Publication number
WO2007033835B1
WO2007033835B1 PCT/EP2006/009246 EP2006009246W WO2007033835B1 WO 2007033835 B1 WO2007033835 B1 WO 2007033835B1 EP 2006009246 W EP2006009246 W EP 2006009246W WO 2007033835 B1 WO2007033835 B1 WO 2007033835B1
Authority
WO
WIPO (PCT)
Prior art keywords
compressed air
gas separation
compressor
separation membrane
cooling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2006/009246
Other languages
German (de)
French (fr)
Other versions
WO2007033835A1 (en
Inventor
Heinrich Saul
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoffmann Consorten Hamburg GmbH
Original Assignee
Hoffmann Consorten Hamburg GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hoffmann Consorten Hamburg GmbH filed Critical Hoffmann Consorten Hamburg GmbH
Priority to AT06805813T priority Critical patent/ATE451849T1/en
Priority to DE502006005683T priority patent/DE502006005683D1/en
Priority to CA2623509A priority patent/CA2623509C/en
Priority to US11/992,360 priority patent/US8122738B2/en
Priority to BRPI0616381-5A priority patent/BRPI0616381A2/en
Priority to EP06805813A priority patent/EP1926400B1/en
Publication of WO2007033835A1 publication Critical patent/WO2007033835A1/en
Publication of WO2007033835B1 publication Critical patent/WO2007033835B1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B2/00—Preservation of foods or foodstuffs, in general
    • A23B2/70—Preservation of foods or foodstuffs, in general by treatment with chemicals
    • A23B2/704—Preservation of foods or foodstuffs, in general by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • A23B2/708—Preservation of foods or foodstuffs, in general by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
    • B01D53/229—Integrated processes (Diffusion and at least one other process, e.g. adsorption, absorption)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/003—Transport containers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/10—Nitrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • F28D7/106—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically consisting of two coaxial conduits or modules of two coaxial conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Drying Of Gases (AREA)
  • Storage Of Fruits Or Vegetables (AREA)
  • Storage Of Harvested Produce (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The invention relates to an apparatus for creating an air-conditioned atmosphere in a transportation container (14), having a compressor (3) for generating compressed air, a cooling device (5) for cooling the compressed air and a gas-separation diaphragm (10), which is connected downstream of the compressor (3) and the cooling device (5), for producing a nitrogen-rich gas stream, and a wetting diaphragm (12), with the apparatus permitting controlled wetting of the nitrogen-rich gas stream. The invention also relates to a method for creating an air-conditioned atmosphere in a storage or transportation container, in which method compressed air is generated by means of a compressor, the compressed air is then cooled using a cooling device and a nitrogen-rich gas stream is produced from the compressed air for the purpose of conduction into the transportation container by means of a gas-separation diaphragm.

Claims

GEÄNDERTE ANSPRÜCHE beim Internationalen Büro eingegangen am 08. März 2007 (08.03.2007)Patentansprüche AMENDED CLAIMS filed with the International Bureau on 08 March 2007 (08.03.2007) 1. Vorrichtung zur Herstellung einer konditionierten Atmosphäre in einem Transportbehälter (14) mit einem Kompressor (3) zur Erzeugung von Druckluft, einer Kühleinrichtung (5) zur Abkühlung der Druckluft, einer dem Kompressor und der Kühleinrichtung nachgeschalteten Gastrennmembran (10) zur Erzeugung eines stickstoffreichen Gasstroms, wobei der aus der Gastrennmembran austretende Gasstrom dem Transportbehälter (14) zugeleitet wird, um im Behälter eine Stickstoff reiche, konditionierte Atmosphäre zu erhalten, wobei die Vorrichtung eine Befeuchtungsmembran (12) aufweist, die hinter der Gastrennmembran (10) angeordnet ist und der aus der Gastrennmembran (10) austretende Stickstoffstrom durch die Befeuchtungsmembran (12) geleitet und mit Feuchtigkeit beladen wird, dadurch gekennzeichnet, dass der Gastrennmembran (10) ein Stickstoffregelventil (11) nachgeschaltet ist, wobei das Stickstoffregelveπtil ein Kaskadenventil ist und in der Vorrichtung vor der Gastrennmembran (10) ein Wasserfänger (201) angeordnet ist, der aus einem Funktionsboden und einem Prallblech aufgebaut ist, wobei der Funktionsboden (202) einen kreisförmigen Querschnitt hat und anstelle eines Eingangsflansches an der Gastrennmembran montiert ist.1. A device for producing a conditioned atmosphere in a transport container (14) having a compressor (3) for generating compressed air, a cooling device (5) for cooling the compressed air, a compressor and the cooling device downstream gas separation membrane (10) for generating a nitrogen-rich Gas stream, wherein the gas flow exiting the gas separation membrane is fed to the transport container (14) to obtain a nitrogen-rich, conditioned atmosphere in the container, the apparatus having a humidifying membrane (12) which is arranged behind the gas separation membrane (10) and the from the gas separation membrane (10) leaving nitrogen flow through the humidifying membrane (12) is passed and loaded with moisture, characterized in that the gas separation membrane (10) a nitrogen control valve (11) is connected downstream, wherein the Stickstoffstofgelgelππιπιτιτικ ein is a cascade valve and in the device before the Gas separation membrane (10) a Wass erfänger (201) is arranged, which is constructed of a functional bottom and a baffle plate, wherein the functional bottom (202) has a circular cross-section and is mounted instead of an input flange to the gas separation membrane. 2. Vorrichtung gemäß Anspruch I 1 dadurch gekennzeichnet, dass die Kühleinrichtung (5) vollständig im Transportbehälter (14) angeordnet ist.2. Device according to claim I 1, characterized in that the cooling device (5) is arranged completely in the transport container (14). 3. Vorrichtung gemäß Anspruch 2, dadurch gekennzeichnet, dass die Kühlung in der Kühleinrichtung (5) über den Wärmeaustausch mit dem Kühlluftstrom und der Kühlanlage erfolgt.3. A device according to claim 2, characterized in that the cooling in the cooling device (5) via the heat exchange with the cooling air flow and the cooling system takes place. 4. Vorrichtung gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Gastrennmembran (10) ein Mehrwegventil (8) zur Teilung des Druckluftstroms vorgeschaltet ist.4. Device according to one of the preceding claims, characterized in that the gas separation membrane (10) is connected upstream of a multi-way valve (8) for dividing the compressed air flow. 5. Vorrichtung gemäß Anspruch 4, dadurch gekennzeichnet, dass das Mehrwegventil (8) die Druckluft in zwei Teilströme teilt, von denen einer der Gastrennmembran (10) und der zweite gleichzeitig der Befeuchtungsmembran (12) zugeleitet wird. 5. The device according to claim 4, characterized in that the multi-way valve (8) divides the compressed air into two partial streams, of which one of the gas separation membrane (10) and the second simultaneously the humidifying membrane (12) is supplied. 6. Vorrichtung gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Befeuchtungsrnembran (12) zusätzlich zum Stick$toffstrom sekundärseitig von Druckluft, die vom Kompressor (3) erzeugt wird, durchströmt wird und der Druckluft in der Befeuchtungsmembran (12) die Feuchtigkeit entzogen und in den Stickstoffstrom weitergeleitet wird,6. Device according to one of the preceding claims, characterized in that the Befeuchtungsrnembran (12) in addition to the stick $ toffstrom secondary side of compressed air, which is generated by the compressor (3) is flowed through and the compressed air in the humidifying membrane (12) deprived of moisture and is forwarded into the nitrogen stream, 7. Vorrichtung gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass zwischen Kühleinrichtung (5) und Gastrennmembran (10) ein Wasserabscheider (6) zur Abscheidung des Kondenswassers und/oder ein Luftfilter (7) ) zur Reinigung des Druckluft, vorzugsweise ein Wasserabscheider mit nachgeschaltetem Luftfilter, angeordnet ist.7. Device according to one of the preceding claims, characterized in that between the cooling device (5) and gas separation membrane (10) a water separator (6) for separating the condensed water and / or an air filter (7)) for cleaning the compressed air, preferably a water separator downstream air filter is arranged. 8. Vorrichtung gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass am Ausgang des Behälters (14) ein Druckhalteventil (13) angeordnet ist, dass über eine Ansaugeinrichtung (2) mit dem Kompressor (3) verbunden ist, wobei die An- saugeinrichtung (2) so geschaltet werden kann, dass dem Kompressor zur Erzeugung der Druckluft im wesentlichen aus dem Druckhalteventil (13) austretende Behälteratmosphäre zu geführt wird.8. Device according to one of the preceding claims, characterized in that at the outlet of the container (14) a pressure-retaining valve (13) is arranged, that via a suction device (2) with the compressor (3) is connected, wherein the suction device ( 2) can be switched so that the compressor for generating the compressed air substantially from the pressure holding valve (13) leaking container atmosphere is performed. 9. Vorrichtung gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass zwischen Kompressor (3) und Kühleinrichtung (5) ein Mischventil (4) angeordnet ist, das die aus dem Kompressor ausströmende Druckluft in zwei Teilströme teilt, wobei ein Teilstrom durch die Kühleinrichtung (5) geführt wird und anschließend an einem Mischpunkt (T1 ) mit dem zweiten Teilstrom zur Einstellung einer definierten Temperatur wieder zusammengeführt wird.9. Device according to one of the preceding claims, characterized in that between the compressor (3) and cooling means (5) a mixing valve (4) is arranged, which divides the effluent from the compressor compressed air into two partial streams, wherein a partial flow through the cooling device ( 5) is guided and then recombined at a mixing point (T1) with the second partial flow for setting a defined temperature. 10. Vorrichtung gemäß einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass zwischen Mehrwegventil (8) und Transportbehälter (14) ein Entspaπnungsventil (9) angeordnet ist.10. Device according to one of the preceding claims, characterized in that between the multi-way valve (8) and transport container (14) a Entspaπnungsventil (9) is arranged. 11. Verfahren zur Herstellung einer konditionierten Atmosphäre in einem Lager- oder Transportbehälter bei dem mittels eines Kompressors (3) Druckluft erzeugt wird, wahlweise aus der Umgebuπgsluft oder der Behälteratmosphäre, die Druckluft anschließend mit einer Kühleinrϊchtuπg (5) gekühlt wird und aus der Druckluft ein stickstoffreicher Gasstrom zur Leitung in den Transportbehälter (14) mittels einer Gastrennmembran (10) erzeugt wird, wobei vorzugsweise vor der Einleitung in den Transportbehälter der Stickstoffstrom befeuchtet wird, dadurch gekennzeichnet, dass die überströmende Behälteratmosphäre im Kreislauf geführt wird und nach ihrem Austritt aus dem Transportbehälter (14) wieder dem Druckluftkompressor (3) zugeführt wird.11. A method for producing a conditioned atmosphere in a storage or transport container in which by means of a compressor (3) compressed air is generated, optionally from the ambient air or the container atmosphere, the compressed air is then cooled with a Kühleinrϊchtuπg (5) and from the compressed air nitrogen-rich gas stream for the line in the transport container (14) by means of a gas separation membrane (10) is generated, preferably before the introduction into the transport container of the nitrogen stream is humidified, characterized in that the overflowing container atmosphere is circulated and after its exit from the transport container (14 ) is returned to the compressed air compressor (3). 12. Verfahren gemäß Anspruch 11, dadurch gekennzeichnet, dass mittels einer Befeuchtungsmembran (12) ein definierter Feuchtigkeitsgehalt des Stickstoffstroms eingestellt wird.12. The method according to claim 11, characterized in that by means of a humidifying membrane (12) a defined moisture content of the nitrogen stream is adjusted. 13. Verfahren gemäß einem der Ansprüche 11 oder 12, dadurch gekennzeichnet» dass die Feuchtigkeit zur Beladung der Befeuchtungsmembran (12) aus der Druckluft gewonnen wird.13. The method according to any one of claims 11 or 12, characterized in that » the moisture for loading the humidifying membrane (12) is obtained from the compressed air. 14. Verfahren gemäß einem der Ansprüche 11 bis 13, dadurch gekennzeichnet, dass die Befeuchtungsmembran (12) der Gastrenrϊmernbran (10) nachgeschaltet ist14. The method according to any one of claims 11 to 13, characterized in that the humidifying membrane (12) of Gastrenrϊmernbran (10) is connected downstream 15. Verfahren gemäß einem der Ansprüche 11 bis 14, dadurch gekennzeichnet, dass die Kühleinrichtung (5) im Inneren des Transportbehälters angeordnet ist.15. The method according to any one of claims 11 to 14, characterized in that the cooling device (5) is arranged in the interior of the transport container. 16. Vorrichtung gemäß einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass vor der Gastrennmembran (10) ein Wärmetauscher (101) angeordnet ist, der vorzugsweise aus einem inneren Rohr und einem diesen umgebenden äußeren Rohr aufgebaut ist.16. Device according to one of claims 1 to 10, characterized in that in front of the gas separation membrane (10), a heat exchanger (101) is arranged, which is preferably constructed of an inner tube and a surrounding outer tube. 17. Vorrichtung gemäß einem der Ansprüche 1 bis 11 oder 17 bis 19, dadurch gekennzeichnet, dass das Kaskadenventil direkt mit der Austrittsöffnung der Gastrennmembran verbunden ist.17. Device according to one of claims 1 to 11 or 17 to 19, characterized in that the cascade valve is connected directly to the outlet opening of the gas separation membrane. 18« Vorrichtung gemäß Anspruch 17, dadurch gekennzeichnet, dass Kaskadenventil einen Ventilkörper mit internen. Bohrungssystem und internen Trimmvorrichtungen und drei Flanschventile aufweist. 18 «Device according to claim 17, characterized in that cascade valve a valve body with internal. Bore system and internal trim devices and three flange valves. 19. Vorrichtung gernäß einem der Ansprüche 1 bis 10 oder 16 bis 18, dadurch gekennzeichnet, dass der Kompressor (3) mit einem Ölkühler verbunden ist und der Ölkühler ein Öl-Kühlmittel-Wärmetauscher, insbesondere ein Plattenwärmetauscher ist. 19. Device according to one of claims 1 to 10 or 16 to 18, characterized in that the compressor (3) is connected to an oil cooler and the oil cooler is an oil-refrigerant heat exchanger, in particular a plate heat exchanger.
PCT/EP2006/009246 2005-09-23 2006-09-22 Method and apparatus for creating an air-conditioned atmosphere Ceased WO2007033835A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AT06805813T ATE451849T1 (en) 2005-09-23 2006-09-22 METHOD AND DEVICE FOR PRODUCING A CONDITIONED ATMOSPHERE
DE502006005683T DE502006005683D1 (en) 2005-09-23 2006-09-22 METHOD AND DEVICE FOR PRODUCING A CONDITIONED ATMOSPHERE
CA2623509A CA2623509C (en) 2005-09-23 2006-09-22 Method and apparatus for creating an air-conditioned atmosphere
US11/992,360 US8122738B2 (en) 2005-09-23 2006-09-22 Method and apparatus for creating an air-conditioned atmosphere
BRPI0616381-5A BRPI0616381A2 (en) 2005-09-23 2006-09-22 process and device for the production of a conditioned atmosphere
EP06805813A EP1926400B1 (en) 2005-09-23 2006-09-22 Method and apparatus for creating an air-conditioned atmosphere

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005045760.6 2005-09-23
DE102005045760A DE102005045760B4 (en) 2005-09-23 2005-09-23 Method and apparatus for producing a conditioned atmosphere

Publications (2)

Publication Number Publication Date
WO2007033835A1 WO2007033835A1 (en) 2007-03-29
WO2007033835B1 true WO2007033835B1 (en) 2007-05-18

Family

ID=37546623

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/009246 Ceased WO2007033835A1 (en) 2005-09-23 2006-09-22 Method and apparatus for creating an air-conditioned atmosphere

Country Status (10)

Country Link
US (1) US8122738B2 (en)
EP (1) EP1926400B1 (en)
AR (1) AR056534A1 (en)
AT (1) ATE451849T1 (en)
BR (1) BRPI0616381A2 (en)
CA (1) CA2623509C (en)
DE (2) DE102005045760B4 (en)
ES (1) ES2339482T3 (en)
WO (1) WO2007033835A1 (en)
ZA (1) ZA200802525B (en)

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CA2623509A1 (en) 2007-03-29
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US8122738B2 (en) 2012-02-28
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ZA200802525B (en) 2009-01-28
EP1926400A1 (en) 2008-06-04
CA2623509C (en) 2014-04-22
DE102005045760A1 (en) 2007-04-05
AR056534A1 (en) 2007-10-10
WO2007033835A1 (en) 2007-03-29
EP1926400B1 (en) 2009-12-16
DE102005045760B4 (en) 2008-12-24
ATE451849T1 (en) 2010-01-15
ES2339482T3 (en) 2010-05-20
US20090211298A1 (en) 2009-08-27

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